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In fuel cells, what is the role of the anode?

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Question: In fuel cells, what is the role of the anode?

Options:

  1. Oxidation of fuel
  2. Reduction of oxygen
  3. Storage of energy
  4. Heat generation

Correct Answer: Oxidation of fuel

Solution: 

The anode is where the oxidation of the fuel occurs, releasing electrons that flow through an external circuit.

In fuel cells, what is the role of the anode?

Practice Questions

Q1
In fuel cells, what is the role of the anode?
  1. Oxidation of fuel
  2. Reduction of oxygen
  3. Storage of energy
  4. Heat generation

Questions & Step-by-Step Solutions

In fuel cells, what is the role of the anode?
  • Step 1: Understand that a fuel cell has two main parts: the anode and the cathode.
  • Step 2: Know that the anode is the part of the fuel cell where the fuel (like hydrogen) enters.
  • Step 3: At the anode, the fuel undergoes a chemical reaction called oxidation.
  • Step 4: During oxidation, the fuel releases electrons.
  • Step 5: These released electrons flow through an external circuit, creating electricity.
  • Step 6: The anode also allows ions to pass through to the other part of the fuel cell.
  • Anode Function in Fuel Cells – The anode is the electrode where oxidation occurs, leading to the release of electrons.
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